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626674061 = 1348205697
BaseRepresentation
bin100101010110100…
…100100110001101
31121200012100012102
4211112210212031
52240412032221
6142103444445
721346433036
oct4526444615
91550170172
10626674061
112a1817552
12155a56725
139caa7a70
145d32ba8d
153a03b30b
hex255a498d

626674061 has 4 divisors (see below), whose sum is σ = 674879772. Its totient is φ = 578468352.

The previous prime is 626674051. The next prime is 626674063. The reversal of 626674061 is 160476626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119028100 + 507645961 = 10910^2 + 22531^2 .

It is a cyclic number.

It is not a de Polignac number, because 626674061 - 210 = 626673037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626674063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24102836 + ... + 24102861.

It is an arithmetic number, because the mean of its divisors is an integer number (168719943).

Almost surely, 2626674061 is an apocalyptic number.

It is an amenable number.

626674061 is a deficient number, since it is larger than the sum of its proper divisors (48205711).

626674061 is a wasteful number, since it uses less digits than its factorization.

626674061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48205710.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 626674061 is about 25033.4588301337. The cubic root of 626674061 is about 855.7506538753.

The spelling of 626674061 in words is "six hundred twenty-six million, six hundred seventy-four thousand, sixty-one".

Divisors: 1 13 48205697 626674061